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瑞海礦業:一重點貫通工程順利完成項目建設取得關鍵性突破

5月20日,隨着最後一段巖壁的精準爆破,萊州市瑞海礦業有限公司項目建設迎來重大突破——位於副井-1285m中段的2號輔助斜坡道與進風井-1480m中段輔助斜坡道順利貫通,一舉打通"五豎一斜"工程在千米井下全面貫通的最後一公里,具有里程碑作用。

2號輔助斜坡道貫通工程是瑞海項目建設的關鍵性工程,全長1285米,承擔着深部通風、運輸、應急出口等重要作用,是井下工程開拓的一條"主動脈"。自2024年8月21日動工至貫通,施工團隊以平均每月150米的進尺速度,歷時8個半月,比原計劃提前1個半月在地下千米深處完成精準貫通。

2號輔助斜坡道貫通工程作爲決定瑞海項目建設走向的樞紐性、戰略性工程,作用重大,意義非凡。它的貫通標誌着瑞海礦業項目建設實現了質的飛躍,具有四重效果:一是完善了2號輔助斜坡道、膠帶斜井與-1480m中段的通風系統,作業環境顯著改善;二是在-1300m中段和-1480m中段新增安全出口,爲井下作業人員生命安全增添"應急通道";三是完善了渣石運輸系統,使渣石通過主井集中提升,運輸效率提升超40%以上,也爲後續生產開採提供了堅實保障;四是實現了進風井-1480m首採中段的貫通,爲加快開拓工程進度趟平了道路,同時也意味着"五豎一斜"井下工程從淺部中段到深部中段全面貫通。

此次2號輔助斜坡道順利貫通,是瑞海項目建設大會戰中的"關鍵轉折",具有重大的戰略意義,工程貫通後,制約井下建設的通風、運輸等問題徹底解決,將進一步加速整體項目建設進程,對按期實現項目建設目標和後續生產開採起到巨大推動作用。

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